Castle Rock vs Highlands Ranch

A side-by-side comparison of Castle Rock and Highlands Ranch: population, income, housing, and more.

Castle Rock and Highlands Ranch are places in Colorado. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Highlands Ranch has the higher population (101,437 vs 76,614 in Castle Rock). Highlands Ranch has the higher median household income ($155,847 vs $143,031 in Castle Rock). Highlands Ranch has the higher median home value ($672,600 vs $621,700 in Castle Rock).

Population, income & housing

	Castle Rock	Highlands Ranch
Population	76,614	101,437
Median age	35.8 yrs	41.4 yrs
Median household income	$143,031	$155,847
Median home value	$621,700	$672,600
Median gross rent	$1,946	$2,397
Housing units	27,824	39,066
Homeownership rate	78.8%	79.2%
Bachelor's degree or higher	54.9%	66.8%
Unemployment rate	4.5%	3.7%

Trends (ACS 5-year, 2019–2023)

	Castle Rock	Highlands Ranch
Population	62,417 → 76,614 (+22.7%)	105,631 → 101,437 (-4.0%)
Median household income	$109,700 → $143,031 (+30.4%)	$125,454 → $155,847 (+24.2%)
Median home value	$422,100 → $621,700 (+47.3%)	$467,500 → $672,600 (+43.9%)
Median gross rent	$1,536 → $1,946 (+26.7%)	$1,922 → $2,397 (+24.7%)

Castle Rock

Population

62,41776,614

Median household income

$109,700$143,031

Median home value

$422,100$621,700

Median gross rent

$1,536$1,946

Highlands Ranch

Population

105,631101,437

Median household income

$125,454$155,847

Median home value

$467,500$672,600

Median gross rent

$1,922$2,397

Age & race/ethnicity

Age distribution (share)

	Castle Rock	Highlands Ranch
Under 5	7.3%	4.5%
5 to 17	19.6%	19.8%
18 to 24	8.0%	7.6%
25 to 34	13.7%	9.4%
35 to 44	16.0%	14.4%
45 to 54	14.1%	17.2%
55 to 64	10.7%	13.3%
65 to 74	7.0%	8.0%
75 and over	3.7%	5.8%

Race & ethnicity (share)

	Castle Rock	Highlands Ranch
White (non-Hispanic)	79.4%	79.3%
Black or African American	0.8%	1.0%
American Indian & Alaska Native	0.2%	0.1%
Asian	2.1%	6.3%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.6%	0.3%
Two or more races	5.6%	3.9%
Hispanic or Latino	11.3%	9.1%

Educational attainment (age 25+)

Share of adults 25+

	Castle Rock	Highlands Ranch
No high school diploma	2.6%	1.1%
High school graduate	13.7%	8.8%
Some college or associate's	28.9%	23.2%
Bachelor's degree	36.8%	41.4%
Graduate or professional degree	18.1%	25.5%

Commute to work

How workers get to work (share)

	Castle Rock	Highlands Ranch
Drove alone	66.5%	63.7%
Carpooled	5.4%	3.6%
Public transit	0.2%	1.2%
Walked	1.7%	0.8%
Bicycle	0.1%	0.4%
Worked from home	25.3%	29.5%
Other means	0.9%	0.8%

Housing

Units in structure (share)

	Castle Rock	Highlands Ranch
1-unit, detached	74.6%	75.6%
1-unit, attached	6.5%	6.9%
2 to 4 units	1.3%	2.9%
5 to 19 units	9.3%	8.5%
20 or more units	7.7%	6.1%
Mobile home & other	0.6%	0.0%

Poverty & households

	Castle Rock	Highlands Ranch
Poverty rate	3.8%	2.4%
Average household size	2.82	2.66
Mean commute (minutes)	29	25
Median year structure built	2006	1997